com.caucho.config.inject

Class AbstractSingletonBean<T>

java.lang.Object

com.caucho.config.inject.AbstractBean<T>

com.caucho.config.inject.BeanAdapter<T,T>

com.caucho.config.inject.BeanWrapper<T>

com.caucho.config.inject.AbstractSingletonBean<T>

All Implemented Interfaces:

AnnotatedBean, ObjectProxy, java.io.Closeable, java.lang.AutoCloseable, Contextual<T>, Bean<T>, PassivationCapable

Direct Known Subclasses:

InjectionBean, ManagedSingletonBean, SingletonBean

public abstract class AbstractSingletonBean<T>
extends BeanWrapper<T>
implements java.io.Closeable, AnnotatedBean, PassivationCapable

SingletonBean represents a singleton instance exported as a web beans.

Method Summary

Modifier and Type	Method and Description
void	close() Frees the singleton on environment shutdown
abstract T	create(CreationalContext<T> env) Creates a new instance for the Contextual's type.
Annotated	getAnnotated()
AnnotatedType<T>	getAnnotatedType()
java.lang.String	getId() Return passivation id
java.lang.String	getName() Returns the bean's name or null if the bean does not have a primary name.
java.util.Set<java.lang.annotation.Annotation>	getQualifiers() Returns the bean's qualifier annotations.
java.lang.Class<? extends java.lang.annotation.Annotation>	getScope() Returns the bean's scope type.
java.util.Set<java.lang.Class<? extends java.lang.annotation.Annotation>>	getStereotypes() Returns the stereotypes that the bean uses for priority
java.util.Set<java.lang.reflect.Type>	getTypes() Returns the types that the bean exports for bindings.
void	introspectObservers()
void	introspectProduces()

Methods inherited from class com.caucho.config.inject.BeanWrapper

destroy

Methods inherited from class com.caucho.config.inject.BeanAdapter

getBean, getBeanClass, getInjectionPoints, isAlternative, isNullable

Methods inherited from class com.caucho.config.inject.AbstractBean

calculatePassivationId, createObject, getBeanManager, getInjectionTarget, getJavaClass, introspect, isPassivationCapable, toDisplayString, toDisplayStringImpl, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getAnnotated

public Annotated getAnnotated()

Specified by:

getAnnotated in interface AnnotatedBean

Overrides:

getAnnotated in class BeanAdapter<T,T>

getAnnotatedType

public AnnotatedType<T> getAnnotatedType()

Overrides:

getAnnotatedType in class AbstractBean<T>

getQualifiers

public java.util.Set<java.lang.annotation.Annotation> getQualifiers()

Description copied from interface: Bean

Returns the bean's qualifier annotations.

Specified by:

getQualifiers in interface Bean<T>

Overrides:

getQualifiers in class BeanAdapter<T,T>

getStereotypes

public java.util.Set<java.lang.Class<? extends java.lang.annotation.Annotation>> getStereotypes()

Description copied from interface: Bean

Returns the stereotypes that the bean uses for priority

Specified by:

getStereotypes in interface Bean<T>

Overrides:

getStereotypes in class BeanAdapter<T,T>

getName

public java.lang.String getName()

Description copied from interface: Bean

Returns the bean's name or null if the bean does not have a primary name.

Specified by:

getName in interface Bean<T>

Overrides:

getName in class BeanAdapter<T,T>

getId

public java.lang.String getId()

Return passivation id

Specified by:

getId in interface PassivationCapable

Overrides:

getId in class AbstractBean<T>

introspectProduces

public void introspectProduces()

introspectObservers

public void introspectObservers()

getScope

public java.lang.Class<? extends java.lang.annotation.Annotation> getScope()

Returns the bean's scope type.

Specified by:

getScope in interface Bean<T>

Overrides:

getScope in class BeanAdapter<T,T>

getTypes

public java.util.Set<java.lang.reflect.Type> getTypes()

Returns the types that the bean exports for bindings.

Specified by:

getTypes in interface Bean<T>

Overrides:

getTypes in class BeanAdapter<T,T>

create

public abstract T create(CreationalContext<T> env)

Description copied from interface: Contextual

Creates a new instance for the Contextual's type. If the instance already exists in the CreationalContext, create will return it instead of creating a new instance.

1. create an instance of the bean
2. create interceptor and decorator stacks
3. inject dependencies
4. set any XML-configured values
5. call @PostConstruct

Specified by:

create in interface Contextual<T>

Overrides:

create in class BeanWrapper<T>

Parameters:

env - the creation context used to support circular references.

Returns:

the new instance

close

public void close()

Frees the singleton on environment shutdown

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable